Gas Analysis

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Axetris

Puts micro-technology to work

GfG

Risks can't be avoided, but they can be reduced

IM & M Ltd

Your Specialist Safety Partner

Bühler Technologies – Fluid Control

Your specialist for Gas Analysis and Fluidcontrol.

RIKEN KEIKI Co. Ltd.

Safety seeing the unseen danger.

Bühler Technologies – Gas Analysis

Your specialist for Gas Analysis and Fluidcontrol.

Gasmet

Know What's In The Air

WatchGas

Passion for all gas detection

DD Scientific

MAKING SENSE IN THE WORLD OF GAS SENSING

CODEL International

The intelligent choice for process and emissions monitoring solutions.

Picarro

Greenhouse gas (GHG) concentrations, trace gases and stable isotopes measurement

MSA Safety

The Safety Company

Teledyne Gas & Flame Detection

Every where you look

MIPEX Technology

Micro power IR gas sensors

Sewerin

Where innovation and tradition combine

Gas Clip Technologies

Portable Gas Detectors You Can Count On

PyroScience GmbH

Experts in Optical Sensors

Helapet Limited

A Cinimed® Group Company

Vertilas GmbH

Global Providers in the Field of Long-Wavelength Vertical Cavity Surface Emitting Laser Diodes

Ocean Insight

Spectroscopy In The Field

MEMBRAPOR AG

The Synonym for Reliable Electrochemical Gas Sensors

Alphasense

Industry Leading Air Quality Sensors

Gas Analysis

Gas analysis is used to determine its qualitative and quantitative composition. This includes the constituents or properties of a gas (either pure or mixed). Composition can be measured by chemical adsorption, combustion, electrochemical cells, indicator papers, chromatography, mass spectroscopy, etc. Chemical gas analysis Properties analysed include heating value, molecular weight, density, and viscosity. There are chemical, physicochemical, and physical methods of gas measurement / analysis. The chemical methods are based on the principle of the absorption of components of a gas mixture by various reagents. A benefit of chemical methods is the relative simplicity of the gas analyser itself. In physicochemical methods of gas analysis, the components of a gas mixture are absorbed by a solution of a suitable reagent. The electrical conductivity, optical density, or other physicochemical properties of the solution are then measured. Physical gas analysis Physical methods of analysis are based on the changes in the physical properties of a gas mixture that vary with its composition: density, viscosity, boiling point, thermoconductivity, the emission or absorption of light (spectral analysis), and mass spectra (mass spectroscopy).

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